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acpi,Makefile: Add preload_acpi_dsdt

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This will allow us to preload the dsdt.aml file.

BUG=b:179699789
TEST=Build guybrush
| 80 - write tables                                   | 1.564     | 1.08      Δ( -0.48,   -0.03%) |
| 85 - finalize chips                                 | 15.483    | 13.543    Δ( -1.94,   -0.14%) |

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Ibf69ecb947811a2eec861018e3ba5f858155f1c3
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59504
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Raul E Rangel
2021-11-19 11:38:35 -07:00
committed by Raul Rangel
parent a19d6253f8
commit 6b446b991b
3 changed files with 15 additions and 0 deletions
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11
src/acpi/acpi.c
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@@ -1577,6 +1577,17 @@ unsigned long __weak fw_cfg_acpi_tables(unsigned long start)
return 0;
}
void preload_acpi_dsdt(void)
{
const char *file = CONFIG_CBFS_PREFIX "/dsdt.aml";
if (!CONFIG(CBFS_PRELOAD))
return;
printk(BIOS_DEBUG, "Preloading %s\n", file);
cbfs_preload(file);
}
unsigned long write_acpi_tables(unsigned long start)
{
unsigned long current;